1. agricultural technology: teach advanced agricultural technologies such as planting and breeding to help farmers improve production efficiency and product quality.

2. Management: Educate farmers how to make scientific planning, rational layout and effective management, so that they can obtain greater economic benefits.

3. Information service: provide farmers with market information, knowledge of policies and regulations, help farmers understand market demand and policy changes, and adjust production plans in time.

4. Social organization support: through the establishment of various social organizations (such as cooperatives, associations, etc. ), strengthen contact with government departments, enterprises and institutions, and provide more resources and support for farmers. At the same time, it can also promote exchanges and cooperation between different regions and form a good interactive mechanism throughout the country.

These elements are interrelated and complementary, and together form a complete promotion and training system. Through such a systematic and practical training mode, we can effectively promote the development of rural economy in China and improve the living standards of farmers.